if i play in a random server for a few hours, and close the game and start back up...
that last played server disapeared from the list !!!!
pleas fix this !!! this is freaking me out !!!
if it is fixed... i'm a lot happyer.

The server could be down and therefore not showing up

Not sure if you know this but next to the server listing name is a star. If you click on that star it will highlight it and add it to your favorites list. As well, you can always check your history for previous servers you have played on.

It has something to do with the servers, your client is probably updated with the latest Connection protocol, but the server isn't.